US Bridges

Nfa A314 over Brush Creek

Good

Montgomery County, Tennessee · 4 M. Ne. Southside. · Structure no. 630A3140001

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A314 over Brush Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A314 over Brush Creek in Montgomery County, Tennessee. It was built in 1986, so it is 39 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2040. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A314
CrossesBrush Creek
Location4 M. Ne. Southside.
RouteCounty Highway 314
Coordinates36.41687, -87.2429
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A314 over Brush Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa A314 over Brush Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Nfa A314 over Brush Creek carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A314 over Brush Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns Nfa A314 over Brush Creek?

It is owned by the County Highway Agency.